eskom turned off business electricity without notification and can't restore it

Eskom turned off our business electricity without notification when we asked why the electricity was off was told maintenance had to be done, on 21st August, said it would be off for a day, next day 22nd electricity still not on, nobody has communicated, nobody is capable of answering our phone calls, we have lost a huge amount of money orders cancelled, Devon promised to give is a claim number when his meeting was over and a clue as to what was going on - he didn't Account number *** Ches wood timbers unacceptable and appalling